We're told by a cyber security firm that this data is "consistent" with the eBay leaks. Possible hacker advert. http://www.telegraph.co.uk/technology/internet-security/10850095/eBay-hack-personal-data-posted-online.html …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more